use fltk::{prelude::*,*};
fn main(){
    let app = app::App::default().with_scheme(app::Scheme::Gtk);
    let mut window = window::Window::new(0,0,800,600,None);
    let mut btn = button::Button::default().with_size(500,200).with_pos(100,100);
    btn.set_label("@+92 @03600->");
    window.clone().center_screen();
    window.end();
    window.show();
    app.run().unwrap();
}